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    • 7. 发明授权
    • Pointing device with pressure sensitive resistor
    • 带压敏电阻的指示装置
    • US06879316B2
    • 2005-04-12
    • US10010072
    • 2001-12-11
    • Florian Max KehlstadtBaptiste MerminodLaurent PlancherelEmmanuel Dubois
    • Florian Max KehlstadtBaptiste MerminodLaurent PlancherelEmmanuel Dubois
    • G06F3/0354G06F3/0485G09G5/08G09G5/00
    • G06F3/0485G06F3/03543
    • An input device with a pressure-sensitive element using a pressure sensing resistor. A solid elastomeric material is mounted over the pressure sensing resistor to transfer a force from the user's finger to the pressure sensitive resistor without visible deformation of the elastomeric material. This provides a comfortable button for a user which does not require the compression of a domed cap to provide pressure-sensing input. In another aspect of the invention, a pressure-sensing input element utilizes both the amount of pressure and the amount of time to determine the type of signal provided to the electronic system. In another aspect of the present invention, an input device contains a first scrolling element (e.g. a wheel) and includes a switch button mounted close to the scrolling element to activate continuous scrolling. In one embodiment of the invention, the pressure sensing resistor used is a folded-over metal-coated plastic film which is responsive to very low activation forces, such as forces less than 50 grams.
    • 具有使用压力感测电阻器的压敏元件的输入装置。 将固体弹性体材料安装在压力感测电阻器上方以将来自用户的手指的力传递到压敏电阻器,而弹性体材料没有可见的变形。 这为用户提供了舒适的按钮,其不需要压缩圆顶帽来提供压力感测输入。 在本发明的另一方面,压力感测输入元件利用压力的量和时间量来确定提供给电子系统的信号的类型。 在本发明的另一方面,一种输入装置包含第一滚动元件(例如轮子),并且包括靠近滚动元件安装的开关按钮,以激活连续滚动。 在本发明的一个实施例中,使用的压力感测电阻器是折叠金属涂覆的塑料膜,其对非常低的激活力(例如小于50克的力)有反应。